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Posted to dev@pdfbox.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2021/05/09 10:44:00 UTC
[jira] [Commented] (PDFBOX-5163) Stack overflow when reading a
corrupt dictionary
[ https://issues.apache.org/jira/browse/PDFBOX-5163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17341485#comment-17341485 ]
ASF subversion and git services commented on PDFBOX-5163:
---------------------------------------------------------
Commit 1889695 from lehmi@apache.org in branch 'pdfbox/branches/2.0'
[ https://svn.apache.org/r1889695 ]
PDFBOX-5163: remove dubious code
> Stack overflow when reading a corrupt dictionary
> ------------------------------------------------
>
> Key: PDFBOX-5163
> URL: https://issues.apache.org/jira/browse/PDFBOX-5163
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing
> Affects Versions: 2.0.23, 3.0.0 PDFBox
> Reporter: Andreas Lehmkühler
> Assignee: Andreas Lehmkühler
> Priority: Major
> Fix For: 2.0.24, 3.0.0 PDFBox
>
> Attachments: crash_stack_overflow_sample.pdf
>
>
> Richard Smith/Chaoyuan Peng reported an issue with the current version 2.0.23. When parsing a carefully handcrafted pdf the following exception occurs and PDFBox crashes:
> {code}
> java.lang.StackOverflowError: null
> java.util.WeakHashMap.eq(Unknown Source)
> java.util.WeakHashMap.get(Unknown Source)
> java.util.Collections$SynchronizedMap.get(Unknown Source)
> org.apache.pdfbox.debugger.ui.LogDialog.log(LogDialog.java:143)
> org.apache.pdfbox.debugger.ui.DebugLog.warn(DebugLog.java:156)
> org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:933)
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryValue(BaseParser.java:154)
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionaryNameValuePair(BaseParser.java:283)
> org.apache.pdfbox.pdfparser.BaseParser.parseCOSDictionary(BaseParser.java:216)
> org.apache.pdfbox.pdfparser.BaseParser.parseDirObject(BaseParser.java:859)
> org.apache.pdfbox.pdfparser.COSParser.parseFileObject(COSParser.java:917)
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:886)
> org.apache.pdfbox.pdfparser.COSParser.parseObjectDynamically(COSParser.java:806)
> org.apache.pdfbox.pdfparser.COSParser.getLength(COSParser.java:1060)
> {code}
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